Personalized Ready to Play?- Whatif Monster referee Women's T-Shirt. The Whatif Monster is ready to tackle the next big challenge. Ready to Play?- Whatif Monster referee Women's T-Shirt - Heather, from "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout